stdioshow.java

介绍有关java的资料 课件 相当一本书籍 里面都是很基础的知识

import java.io.*;
class stdIOShow	{
  public static void main(String args[]) throws IOException {
    int ch;
    int count = 0;
    System.out.println("请输入字符（当输入0时退出！）");
    while ((char)(ch = System.in.read()) != '0') {  	      //输入字符
      count++; System.out.print((char)ch); 	              //输出字符
    }
    System.out.println();
    System.err.println("counted   " + count + "   total bytes.");
  }
}